CN103144676A - Front pillar for automobile - Google Patents

Front pillar for automobile Download PDF

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Publication number
CN103144676A
CN103144676A CN201310061945XA CN201310061945A CN103144676A CN 103144676 A CN103144676 A CN 103144676A CN 201310061945X A CN201310061945X A CN 201310061945XA CN 201310061945 A CN201310061945 A CN 201310061945A CN 103144676 A CN103144676 A CN 103144676A
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CN
China
Prior art keywords
hollow part
flange
front pillar
section
inner panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310061945XA
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Chinese (zh)
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CN103144676B (en
Inventor
藤田浩史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
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Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2008176321A external-priority patent/JP4920012B2/en
Priority claimed from JP2008176245A external-priority patent/JP4987807B2/en
Priority claimed from JP2008176282A external-priority patent/JP5001229B2/en
Priority claimed from JP2008176237A external-priority patent/JP4987806B2/en
Priority claimed from JP2008176278A external-priority patent/JP4987808B2/en
Priority claimed from JP2008176261A external-priority patent/JP4980308B2/en
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN103144676A publication Critical patent/CN103144676A/en
Application granted granted Critical
Publication of CN103144676B publication Critical patent/CN103144676B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04—Door pillars ; windshield pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06—Fixed roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments

Abstract

A front pillar for an automobile includes an outer panel (217), an inner panel (218), and a hollow member (253) disposed between the outer and inner panels. Outer flanges (282, 268) of the outer and inner panels are overlapped with each other to form a closed void section (331) and a seal attachment section (245). The seal attachment section includes a rear section reinforcing member (243) and a front section reinforcing member (244) sandwiched between the outer flanges of the outer and inner panels in a rear end section and a front end section, respectively, of the front pillar, and a gap channel (347) formed to communicate with the closed void section by partially separating the outer flanges of the outer and inner panels at a central section of the front pillar. The reinforcing members are joined to an outer wall section (262) of the hollow member.

Description

The front pillar of automobile
The application be international filing date be June 29, international application no in 2009 be PCT/JP2009/061830, national applications day are on October 20th, 2010, national applications number be 200980113987.5, denomination of invention divides an application for the application for a patent for invention of " front pillar of automobile ".
Technical field
The present invention relates to the front pillar of automobile, relate in particular to the front pillar of the automobile that is provided with outside plate on hollow part.
Background technology
The front pillar of the left and right in automobile is positioned at the front portion of automobile, is for the parts that front glass (Windshield) is installed.General front pillar overlaps and welds by making outside plate and inner panel, constitutes thus the parts of closed cross-section shape.Such front pillar is known in patent documentation 1.Outside plate and inner panel need to be for the flanges that is bonded with each other.These flanges are outstanding laterally from front pillar.Therefore, front pillar maximizes.
To this, in recent years, along with constantly carrying out the exploitation of front pillar, know a kind of front pillar in patent documentation 2, this front pillar uses by the integrally formed hollow part of hydroform method.Known front pillar in patent documentation 2 is made of hollow part and outside plate.Hollow part is made of the pipe that forms by hydroform method.Outside plate covers on the lateral surface of overall width direction of hollow part and engages.Compare with above-mentioned general front pillar, in patent documentation 2, known front pillar is small-sized.With its correspondingly, the visual range (visual field) of observing to vehicle body the place ahead from the car chamber is enlarged.
But, according to the kind of automobile, the viewpoint from design is considered, exists front pillar integral body to form, so-called forniciform situation outstanding to the outside of vehicle body.In the situation that adopt crooked front pillar, also preferably can guarantee the pillar rigidity identical with the situation of the front pillar that adopts linearity.Therefore, consider to increase wall thickness and the diameter of hollow part.But, the possibility that exists the weight of front pillar to increase.In addition, if increase the diameter of hollow part, the possibility that exists the visual field observed from the car chamber correspondingly to narrow down.
Patent documentation 1: Japan opens flat 3-44051 communique in fact
Patent documentation 2: TOHKEMY 2006-182079 communique
Summary of the invention
The object of the present invention is to provide a kind of technology that can suppress the weight of front pillar and improve the rigidity of front pillar.
According to the present invention, a kind of front pillar of automobile is provided, described front pillar comprises hollow part, outside plate, inner panel, described hollow part integral body forms to the outstanding bending in the outside of vehicle body, described outside plate is located in the wall section in the car outside of described hollow part, described inner panel forms in the mode along the wall section of the passenger compartment side of described hollow part, and is located in the wall section of described passenger compartment side.
Preferably, described inner panel has the restriction recess, and this restriction recess limits with respect to the relative displacement of described inner panel to the overall width direction described hollow part by being embedded in the part of described hollow part.
Preferably, described outside plate and described inner panel have respectively be used to the first flange that overlaps, described each first flange of the state that overlaps doubles as being used for installing the sealing member installation portion of sealing member, and described sealing member is the parts that can seal the side door that becomes the state of closing with respect to described vehicle body.
Preferably, described outside plate and described inner panel have respectively the second flange on the position with respect to described hollow part and described each first flange opposition side, and the second flange of described outside plate and the second flange of described inner panel arrange respectively with respect to described hollow part.
preferably, the first flange of described outside plate and the first flange of described inner panel are overlapping by the mode that direct welding (direct spot welding) engages, the second flange of described outside plate overlaps in the mode that can engage by the indirect welding (in direct spot welding) from described outside plate side with respect to described hollow part, the second flange of described inner panel with respect to described hollow part overlapping by the mode that metal inert-gas welding (MIG welding (metal inert gas welding)) engages.
Preferably, in described inner panel, the middle part between described the first flange and described the second flange with respect to described hollow part overlapping by the mode that metal inert-gas welding engages.
Preferably, described outside plate has compares the roof joint evagination edge of stretching out to described passenger compartment side with described hollow part, described hollow part has and engages along described roof the roof that the evagination edge stretches out to described passenger compartment side and engage and extend flange part, and described roof engages and extends flange part and described roof and engage the flange part of evagination edge and roof overlapping by the mode that direct welding engages.
More preferably, described outside plate and described inner panel with respect to described hollow part, with the position of described roof opposition side on have respectively flange, this flange overlaps and engages by direct welding.
More preferably, have between described hollow part and described inner panel and can be screwed into from described passenger compartment side the nut of bolt, this nut consists of by being bonded on flat part on described inner panel and the nut portions less than this flat part, and it is outstanding to the inside of described hollow part that this nut portions is passed the nut clearance hole section that is formed on described hollow part.
More preferably, described nut clearance hole section tilts with respect to the line of centers of described nut portions.
preferably, described outside plate and described inner panel have respectively the first flange and the second flange, should engage respectively with respect to described hollow part by each second flange, described each first flange is positioned at involutory position mutually, leading section and rearward end at described front pillar, sandwich respectively strengthening part and be bonded with each other between described each first flange, between described leading section and described rearward end, described each first flange overlaps in the mode that can install be used to the sealing member of the sealing of carrying out side door, has partly the gap between described each first flange, and, the position that does not have this gap is bonded with each other, described gap with by described hollow part, described outside plate, described inner panel surrounds, the spatial portion of sealing is communicated with.
More preferably, described gap is made of recess, and this recess is formed at least one the flange surface of described each first flange.
More preferably, the strengthening part of described front and back also is bonded on described hollow part in described spatial portion.
More preferably, described outside plate has the glass mounting flange section that overlaps and engage with the upper surface of described hollow part, this glass mounting flange section forms can install the smooth tabular of front glass, the terminal part of the fore-and-aft direction of described hollow part is strengthened by strengthening part, this strengthening part has and overlaps on the upper surface of the described hollow part of described terminal part and the junction that engages, and the upper surface of this junction and described terminal part leaves downwards from described glass mounting flange section.
More preferably, described terminal part is sandwiched and is engaged by described strengthening part and described inner panel.
More preferably, the thickness of the thickness of described hollow part and described strengthening part is the size that is fit to carry out based on the joint of metal inert-gas welding.
preferably, described inner panel has the poor reinforced rib of belt that bloats to described passenger compartment side and the peristome that connects on the overall width direction in the bottom, the poor reinforced rib of described belt is made of a plurality of joggling parts, this joggling part is to be formed on described inner panel along described hollow part and to the mode that body tail extends, described peristome is the thread-like member of the flexibility that derives from the inside of described hollow part to be taken out to the through hole of described passenger compartment side, this through hole is positioned at the position of at least a portion of crossing over described a plurality of joggling parts, thus, the upper portion is on the part of the poor reinforced rib of described belt.
More preferably, described inner panel has the layer difference section of the reinforcement use of will surround around the periphery of described peristome.
More preferably, the poor reinforced rib of described belt constitutes, and with respect to described inner panel, its leading section bulges most, and along with the trend body tail, the degree that bloats reduces gradually.
The effect of invention
In the present invention, hollow part integral body forms to the outstanding bending in the outside of vehicle body.In this hollow part, overlap and engaged inner panel in the wall section of passenger compartment side.That is to say, by inner panel, hollow part is strengthened.The impact load that acts on inner panel can be passed to efficiently by the hollow part that rigidity is improved the rear portion of vehicle body.And, in order to improve the rigidity of hollow part, need not to increase rugosity and the wall thickness of hollow part.Can suppress front pillar weight increase and seek miniaturization.By the miniaturization of front pillar, can enlarge the visual field of observing from the car chamber.
And, in the present invention, by embed the part of hollow part in the restriction recess of inner panel, can limit with respect to the relative displacement of inner panel to the overall width direction hollow part.Therefore, hollow part is strengthened by inner panel.Its result is to improve the rigidity of hollow part.Therefore, can make the impact load of the front end that acts on hollow part be passed to efficiently the rear portion of vehicle body.
And in the present invention, near the bottom of hollow part, the first flange of outside plate and the first flange of inner panel overlap.Therefore, the rigidity of front pillar improves.And each first flange of coincidence can consist of the edge of door opening.The sealing member for the hermatic door opening can be installed in this edge.That is to say, the edge doubles as and is the sealing member installation portion.Sealing member installation portion by high rigidity is support seal well.
And, in the present invention, each second flange is overlapped each other, correspondingly, can make outside plate and inner panel miniaturization.Therefore, can seek miniaturization and the lightweight of front pillar.
And, in the present invention, the first flange of outside plate and the first flange of inner panel are overlapped, and engage by direct welding.The second flange of outside plate can be bonded on hollow part by the indirect welding from the outside plate side.The second flange of inner panel can be bonded on hollow part by metal inert-gas welding.Like this, can adopt the welding means of the structure that is fit to each junction surface, can efficiently implement the joint operation based on welding, therefore, can improve the production of front pillar.
And, in the present invention, in inner panel, the middle part between the first flange and the second flange can be engaged by the relative hollow part of metal inert-gas welding.In inner panel, be bonded on hollow part by the both sides with the second flange and middle part, can further improve the rigidity of hollow part.
And, in the present invention, can make roof engage extend these three flanges of flange part that flange part, roof engage evagination edge, roof and overlap and engage by direct welding.Therefore, although adopt hollow part, the equipment that spot welding is used to be and in the past roughly the same specification to front pillar, miniaturization that can the support level welder.In addition, even adopt hollow part, the welding conditions of spot welding is with in the past roughly the same, and spot welding is easy.And the roof that is only used for installing the flange part of roof engages evagination edge and roof and engages that to extend flange part be the parts that stretch out to the passenger compartment side.In front pillar, need not to arrange roof and engage evagination edge and roof joint prolongation flange part on the part that front glass is installed.Therefore, can guarantee to see through from the car chamber visual range that front glass is observed vehicle body the place ahead.
And, in the present invention, outside plate and inner panel with respect to hollow part with the position of roof opposition side on mutually make flange overlap and engage by direct welding.Therefore, although adopt hollow part, when inner panel and outside plate joint, also can adopt the spot welding of in the past using.
And, in the present invention, be provided with nut between hollow part and inner panel.This nut consists of by being bonded on flat part on inner panel and the nut portions less than flat part.It is outstanding to the inside of hollow part that nut portions is passed the nut clearance hole section that is formed on hollow part.Therefore, although be provided with nut between hollow part and inner panel, the interval of hollow part and inner panel is narrowed down.Its result is that front pillar is attenuated.In addition, because nut portions is less than flat part, so correspondingly can make the size reduction of nut clearance hole.
And, in the present invention, because nut clearance hole section tilts with respect to the line of centers of nut portions, so, in the situation that the assembling inner panel, even dull and stereotyped nut is installed on inner panel in advance, also can easily guarantee the gap of dull and stereotyped nut and nut clearance hole section, can make nut clearance hole section less.
And, in the present invention, form the spatial portion of sealing by combination hollow part, outside plate, inner panel.Be provided with partly the gap that is communicated with this spatial portion between each first flange.This gap is the stream that utilizes when by the coating fluid of electrodeposit liquid etc., front pillar being implemented surface treatment.By coating fluid is flowed into to spatial portion from the gap, in spatial portion, can the wall of front pillar be coated with fully.In addition, because the not tool gapped position of each the first flange is bonded with each other, so, although be provided with the gap, can guarantee rigidity.Its result is fully to guarantee the rigidity of front pillar.In addition, leading section and the rearward end at front pillar is provided with strengthening part.These strengthening parts are sandwiched respectively between each first flange, and are bonded with each other.Therefore, in front pillar, can pair compare the leading section and the rearward end that need to improve rigidity with pars intermedia by strengthening part and strengthen.Therefore, by using minor diameter and the little hollow part of wall thickness, can front pillar be formed small-sized.
And in the present invention, this gap is made of the recess on the flange surface of at least one side that is formed on each first flange.Due to recess is formed on flange surface, so, can side by side form recess when for example the first flange carries out plastic working.Therefore, the gap can be set easy as can on flange surface.In addition, in the broad range of flange surface, a plurality of gaps are set easily also.
And in the present invention, quilt is sandwiched between each first flange and the strengthening part that is bonded with each other also is bonded on hollow part.Therefore, can strengthen leading section and the rearward end of hollow part by inner panel and strengthening part both sides.Because the rigidity of hollow part improves, so, the rigidity of front pillar can further be improved.
And, in the present invention, for the strengthening part that the terminal part of hollow part is strengthened, have for overlapping on the upper surface of this terminal part and the junction that engages.Because the upper surface of this junction and terminal part leaves downwards from the glass mounting flange section of outside plate, so, can not interfere with glass mounting flange section.Therefore, glass mounting flange section can be formed smooth structure in entire scope.For smooth glass installation portion, can easily and reliably install by general installation methods such as bonding front glasses, and can fully keep this installing condition.
And in the present invention, this terminal part is reinforced parts and inner panel sandwiches and engages, and therefore, its bond strength improves.
And in the present invention, the thickness of hollow part and the thickness of strengthening part are configured to be fit to carry out the size based on the joint of metal inert-gas welding.Therefore, can fully engage hollow part and strengthening part, thereby improve bond strength.
And in the present invention, inner panel is owing to having the poor reinforced rib of the belt that bloats to the passenger compartment side, thereby rigidity improves.Its result is that the rigidity of front pillar is large.In addition, opening is in the position of at least a portion of crossing over a plurality of joggling parts, and thus, the upper portion is on the part of the poor reinforced rib of belt.Therefore, peristome forms and the poor shape of the poor layer that matches of the layer of the poor reinforced rib of belt.Therefore, the thread-like member of the flexibility that derives from the inside of hollow part easily can be taken out to the passenger compartment side by peristome.
And, in the present invention, around the periphery of peristome by strengthening the layer difference section encirclement of use.Therefore, the rigidity on every side of the periphery of inner panel is large.
And, in the present invention, for the projecting degree of the poor reinforced rib of belt with respect to inner panel, make its leading section large, diminish gradually along with the trend body tail.Therefore, the impact load that acts on body forward structure can be passed to hollow part efficiently via the poor reinforced rib of belt.
Description of drawings
Fig. 1 is the block diagram of vehicle body of front pillar with left and right of embodiments of the invention 1.
Fig. 2 observes the figure of the front pillar on right side shown in Figure 1 from the top of passenger compartment side.
Fig. 3 is the figure that the case of bending to the front pillar on right side shown in Figure 2 describes.
Fig. 4 is 4 figure that amplify expression with Fig. 2.
Fig. 5 is the cutaway view of the 5-5 line of Fig. 4.
Fig. 6 is the figure that the welding example to front pillar shown in Figure 5 describes.
Fig. 7 is the instruction diagram that has the example of impact load to describe to effect on the front pillar on right side shown in Figure 1.
Fig. 8 is the figure from the front pillar of the left and right of passenger compartment side observation embodiments of the invention 2.
Fig. 9 is 9 figure that amplify expression with Fig. 8.
Figure 10 is the figure that decomposes around the bottom of the front pillar on right side shown in Figure 9.
Figure 11 is the cutaway view of the 11-11 line of Fig. 9.
Figure 12 is the cutaway view of the 12-12 line of Fig. 9.
Figure 13 is the instruction diagram that the order of drawing scupper hose from hollow part shown in Figure 10 is described.
Figure 14 is the instruction diagram that the order that scupper hose shown in Figure 13 is guided to peristome is described.
Figure 15 is the instruction diagram that the order that scupper hose shown in Figure 14 is drawn from peristome is described.
Figure 16 is the instruction diagram that has the example of impact load to describe to effect on the automobile of embodiments of the invention 2.
Figure 17 is the instruction diagram that has the example of impact load to describe to effect on the front pillar on right side shown in Figure 16.
Figure 18 is the block diagram of vehicle body of front pillar with left and right of embodiments of the invention 3.
Figure 19 observes the figure of the front pillar on right side shown in Figure 180 from the outside of overall width direction.
Figure 20 is the figure with the front pillar decomposition on right side shown in Figure 19.
Figure 21 observes the figure of the front pillar on right side shown in Figure 19 from the passenger compartment side.
Figure 22 is the cutaway view of the 22-22 line of Figure 18.
Figure 23 is the cutaway view of the 23-23 line of Figure 18.
Figure 24 observes the figure of the front pillar on right side shown in Figure 22 from arrow sight line 24 directions.
Figure 25 is 25 figure that amplify expression with Figure 24.
Figure 26 is 26 figure that amplify expression with Figure 24.
Figure 27 is the cutaway view of the 27-27 line of Figure 24.
Figure 28 is the cutaway view of the 28-28 line of Figure 21.
Figure 29 is 29 figure that amplify expression with Figure 28.
Figure 30 is the cutaway view of the 30-30 line of Figure 29.
Figure 31 is in the front pillar on right side shown in Figure 28, the block diagram around the air bag support.
Figure 32 observes the figure of the front pillar on right side shown in Figure 22 from arrow sight line 32 directions.
Figure 33 is the cutaway view of the 33-33 line of Figure 21.
Figure 34 is the cutaway view of the 34-34 line of Figure 21.
Figure 35 observes the figure of the front pillar on right side shown in Figure 21 from arrow sight line 35 directions.
Figure 36 means the figure of the structure of in the front pillar on right side shown in Figure 35, outside plate being pulled down.
Figure 37 observes the figure of the front pillar on right side shown in Figure 36 from arrow sight line 37 directions.
The specific embodiment
Below, based on accompanying drawing, the preferred embodiments of the present invention are described.
Embodiment 1
At first, based on Fig. 1～Fig. 7, the front pillar of the automobile of embodiment 1 is described.Fig. 1 represents the front portion of the vehicle body 10 in automobile Am.The front portion of vehicle body 10 is with by roof rail (the roof side rail) 21,21 of the front pillar 17,18 of the upside vehicle frame 14,14 of the upper vehicle frame 13,13 of the front side vehicle frame 12,12 of front dividing plate 11, left and right, left and right, left and right, front bumper beam 15, left and right, left and right and structure that roof 22 the consists of self-supporting body (Monocoque Body) as keystone configuration.
Front dividing plate 11 is positioned at the front end face of vehicle body 10, can support not shown radiator.The front side vehicle frame 12 of left and right, 12 bottom of the left and right of dividing plate 11 in the past rearward extends.The upper vehicle frame 13 of left and right, 13 bottom of the left and right of dividing plate 11 in the past extends to the back upper place.Outside front side vehicle frame 12 about on these, vehicle frame 13,13 is positioned at, 12 overall width direction and above being positioned at.The upside vehicle frame 14 of left and right, 14 upper end of the left and right of dividing plate 11 in the past rearward extends, and is bonded on the upper vehicle frame 13,13 of left and right.Between front side vehicle frame 12 about front bumper beam 15 is erected at, 12 front end.
Extend obliquely to the back upper place front pillar 17 of left and right, the 18 upper vehicle frames 13 from the left and right, 13 rear end, consists of the part of the door opening 23 that opens and closes by not shown side door.And, not shown front glass (Windshield) is installed between the front pillar 17,18 of left and right.Rearward extend the roof rail 21 of left and right, 21 front pillars 17 from the left and right, 18 rear end.Roof 22 supports by the roof rail 21,21 of left and right.
The front pillar 17,18 of left and right is symmetrical parts.Below, only the front pillar 18 on right side described, omit the explanation of the front pillar 17 in left side.Below, with the front pillar 18 on right side referred to as front pillar 18.
Fig. 2 and Fig. 3 represent from the front pillar 18 of car chamber 34 (with reference to Fig. 1, Fig. 3) side observation.This front pillar 18 is made of hollow part 25, outside plate 28, inner panel 29.Hollow part 25 is the elongate members that become the core of front pillar 18, and front end is bonded on the rearward end 13a of upper right vehicle frame 13 shown in Figure 1.This hollow part 25 is for example made by steel, is integrally formed as the closed cross-section of essentially rectangular shape by hydroform method.That is to say, hollow part 25 is made of square tube.In embodiment 1, essentially rectangular refers to the quadrangle of oblong or square etc.
As shown in Figure 3, the integral body of front pillar 18 forms the outstanding bending in the outside (arrow Ou) to vehicle body 10.Therefore, hollow part 25, outside plate 28 and inner panel 29 integral body form to the outstanding bending in the outside of vehicle body 10.Specifically, the global shape of front pillar 18 is bendings outstanding to the top of vehicle body 10 and that give prominence to the outside of overall width direction.
Here, will be called datum line 31 by the front end 18a of front pillar 18 and the straight line 31 of rear end 18b.When observing vehicle body 10 from the overall width direction, the outline line 32 of crooked front pillar 18 is only given prominence to distance L 1 with respect to datum line 31 to the top of vehicle body 10 upward.In addition, when observing vehicle body 10 from the top, to the outline line 33 of the front pillar 185 of the outside curve of overall width direction with respect to datum line 31 to the outside of the overall width direction of vehicle body 10 outstanding distance L 2 only.
As Fig. 3～shown in Figure 5, hollow part 25 is by four edges, that is to say by four wall sections 35～38 to form the rectangular shape cross section.Four wall sections 35～38th, be positioned at upside outer upper wall portions 35, be positioned at the overall width direction outside lateral wall section 36, be positioned at downside lower inner wall section 37, be positioned at the madial wall section 38 of overall width direction inboard.Consist of the cross sectional view roughly car lateral wall sections 26 of the L word shape wall of the car outside (section 26) by outer upper wall portions 35 and lateral wall section 36.Car lateral wall section 26 is positioned at the outside of vehicle body 10 in hollow part 25.In addition, consist of the cross sectional view roughly passenger compartment side wall sections 27 of the L word shape wall of car chamber 34 sides (section 27) by lower inner wall section 37 and madial wall section 38.Passenger compartment side wall section 27 is positioned at the inboard (car chamber 34 sides) of vehicle body 10 in hollow part 25.
As mentioned above, hollow part 25 integral body form to the outstanding bending in the outside of vehicle body 10.Therefore, car lateral wall section 26 integral body form to the outstanding bending (bending of convex) in the outside of vehicle body 10.Passenger compartment side wall section 27 integral body that are positioned at car chamber 34 sides form to the bending (bending of spill) of the outside depression of vehicle body 10.
Outside plate 28 and inner panel 29 are the elongate members of extending with along the mode of hollow part 25, are located on hollow part 25.In detail, outside plate 28 is located in car lateral wall section 26, and inner panel 29 is located in passenger compartment side wall section 27.
Outside plate 28 is bending formed products of for example steel plate, is made of outer main body 41, the first outward flange 42 and the second outward flange 43.Outer main body 41 forms roughly U word shape cross section, opens to car lateral wall section 26, has first and second outward flange 42,43 at the two ends of this opening 41a, 41b.One end 41a is positioned near the angle of lateral wall section 36 and 37 one-tenth, lower inner wall section.Other end 41b is positioned near the angle of outer upper wall portions 35 and 36 one-tenth, lateral wall section.The first outward flange 42 (the first flange 42) extends to the outside of vehicle body 10 from an end 41a of outer main body 41.The front end of the first outward flange 42 is positioned at the position of leaving from the angle of 37 one-tenth, lateral wall section 36 and lower inner wall section.The second outward flange 43 (the second flange 43) extends from the other end 41b of outer main body 41 along outer upper wall portions 35 to car chamber 34 sides.
Inner panel 29 is to surround that the mode of the bottom of hollow part 25 is that form, bending formed products for example steel plate.This inner panel 29 is made of interior main body 45, restriction section 46, the first inward flange 47 and the second inward flange 48.As shown in Figure 1, the front bottom of inner panel 29 is bonded on the bottom inner panel 29A that stands up from the bottom of vehicle body 10.This bottom inner panel 29A is configured for linking the part of so-called front pillar bottom of the front bottom of the bottom of vehicle body 10 and front pillar 18.
As Fig. 3～shown in Figure 5, interior main body 45 is made of the flat board that overlaps and be bonded in passenger compartment side wall section 27, and the position of weld 64 of regulation (weld part 64) is welded in lower inner wall section 37.Restriction section 46 36 extends with the angle top of 37 one-tenth, lower inner wall section from the end 45a in the outside of the overall width direction of interior main body 45 along lateral wall section, has the first inward flange 47 on the 46a of the upper end of this extension.Restriction section 46 overlaps on the bottom 36a of side wall portion 36 outside in the altitude range of regulation.
The first inward flange 47 (the first flange 47) extends in the mode along the lower surface of the first outward flange 42 of outside plate 28 from the upper end 46a of restriction section 46.This first inward flange 47 overlaps on the first outward flange 42 of outside plate 28 from the below, and, engage by direct welding (direct spot welding).Like this, realize that by joint integrated each flange 42,47 can bring into play the effect of the strengthening part of hollow part 25.Its result is that the rigidity of front pillar 18 improves.
And integrated each flange 42,47 consists of the edge 52 of door opening 23.This edge 52 doubles as being used for installing the sealing member installation portion of sealing member 53.Below, edge 52 is called " sealing member installation portion 52 ".Sealing member 53 is parts to sealing between door opening 23 and side door 51 when closing door opening 23 by side door 51.Owing to making each flange 42,47 integrated, therefore, the rigidity of sealing member installation portion 52 improves.By the sealing member installation portion 52 of this high rigidity, support seal 53 well.
The second outward flange 43 of outside plate 28 overlaps with the outer upper wall portions 35 of hollow part 25, and, engage by indirect welding (indirect spot welding).The madial wall section 38 of the second inward flange 48 of inner panel 29 and hollow part 25 overlaps, and engages by metal inert-gas welding (MIG welding (metal inert gas welding)).The second outward flange 43 and the second inward flange 48 are separately positioned on hollow part 25.Therefore, need not the second outward flange 43 and the second inward flange 48 are engaged overlappingly.Both overlap correspondingly with not making, can make outside plate 28 and inner panel 29 small-sized.Therefore, can seek the lightweight of front pillar 18.
The second inward flange 48 (the second flange 48) from the medial extremity 45b of the overall width direction of interior main body 45 to extend upward along the mode of madial wall section 38.This second inward flange 48 is with respect to madial wall section 38, until overlap in the scope of the height central authorities of madial wall section 38.In addition, the second inward flange 48 is positioned at respect to madial wall section 38 and has on the position of interval S of regulation.
The second inward flange 48 has a plurality of junction surfaces 57 at upper part 48a.These junction surfaces 57 are with the outstanding part of the inside side wall portion 38 of mode that contacts and engage with madial wall section 38.With the spacing assortment of regulation, upper end 65 (weld part 65) is bonded in madial wall section 38 by metal inert-gas welding on the length direction of hollow part 25 at these junction surfaces 57.
Restriction recess 61 is made of interior main body 45, restriction section 46, the second inward flange 48.This restriction recess 61 is to be the recess that bottom 25a embeds and accommodates with a part of 25a of hollow part 25.The bottom 25a of hollow part 25 is limited section 46 and junction surface 57 sandwiches.Hollow part 25 is restricted with respect to the relative displacement of inner panel 29 to the overall width direction.Therefore, hollow part 25 is strengthened by inner panel 29.Its result is to improve the rigidity of hollow part 25.Therefore, can make the impact load of the front end that acts on hollow part 25 be passed to efficiently the rear portion of vehicle body 10.
Below, according to Fig. 6, the example of welding front pillar 18 is described.The first outward flange 42 and the first inward flange 47 engage by spot welding as following.Each flange 42,47 that overlaps extends in the direction of leaving from hollow part 25, and exposes to the outside.Therefore, can sandwich each flange 42,47 by pair of electrodes 71,72, therefore can carry out the joint of direct welding.Sandwich by pair of electrodes 71,72 flanges 42,47 with the state that overlaps.Then, to pair of electrodes 71,72 supply electric currents, thus, by direct welding, each flange 42,47 is engaged.
Outer upper wall portions 35 and the second outward flange 43 engage by spot welding as following.The second outward flange 43 is overlapped under state on upper wall portions 35 outside, electrode 73 is pressed against on the second outward flange 43.Then, supply with electric current to electrode 73 and 35 of outer upper wall portions, thus, by indirect welding, the second outward flange 43 is bonded on outer upper wall portions 35.Engage in operation at this, need not to sandwich by the second outward flange 43 and outer upper wall portions 35 that pair of electrodes will overlap.Therefore, need not electrode is inserted in hollow part 25 and electrode pressed against on the inside face of hollow part 25.
Madial wall section 38 and the second inward flange 48 engage by metal inert-gas welding as following.The second inward flange 48 is overlapped under the state in madial wall section 38, make welding rod 75 near the second inward flange 48, this welding rod 75 as electrode, and is bonded on the second inward flange 48 in madial wall section 38 by metal inert-gas welding.Like this, by making welding rod 75 as electrode near the second inward flange 48, the second inward flange 48 can be bonded in madial wall section 38.Need not the operation of electrode hollow part 25 interior electrode insertions and the electrode that inserts pressed against operation on the inside face of hollow part 25.Like this, be applicable to the welding method of the structure at each junction surface by employing, can carry out efficiently the joint operation based on welding, can improve the production of front pillar 18.
The wall thickness dimension T1 of hollow part 25 is larger, and the thickness of slab size T2 of inward flange 29 is larger than the thickness of slab size T3 of outward flange 28.Therefore, by metal inert-gas welding, the second inward flange 48 is bonded on hollow part 25.Thus, the second inward flange 48 can be bonded on hollow part 25 more firmly, can further improve the rigidity of front pillar 18.
The middle part 45 of lower inner wall section 37 and inner panel 29 (interior main body 45) engages by metal inert-gas welding as following.Interior main body 45 is overlapped under the state in lower inner wall section 37, and making welding rod 76 near inner panel 29 with laser.Then, welding rod 76 is moved along weld part 64, thereby weld part 64 is fused into, interior main body 45 is bonded in lower inner wall section 37.That is, this metal inert-gas welding due to weld part 64 is fused into, can be called as the so-called metal inert-gas welding that connects.By metal inert-gas welding, interior main body 45 is bonded in lower inner wall section 37, thus, can further improves the rigidity of front pillar 18.Thus, though as offset collision etc., in the situation that on front pillar 18 effect larger impact load is arranged, the impact load that also can act on by front pillar 18 supportings.
Below, there is the example of impact load to describe based on Fig. 7 to effect on front pillar 18.Car Ao over there (obstacle Ao) has occured with respect to automobile Am in the situation of head-on crash, and effect has impact load F1 in the central authorities of front bumper beam 15.In addition, car Ao has over there occured with respect to automobile Am in the situation of offset collision, from the position effect that central authorities setover, impact load F2 is being arranged with respect to front bumper beam 15.The part of these impact loads F1, F2 center beam of bumper 15 in the past is passed to front pillar 18 as impact load F3 as shown by arrows like that via upper right vehicle frame 13.
As shown in Figure 3, the integral body of hollow part 25 forms to the outstanding bending in the outside of vehicle body 10.In the situation that above-mentioned impact load F3 acts on the front end of such hollow part 25 as shown by arrows like that, produce drawing stress in the car lateral wall section 26 of hollow part 25, and produce compressing stress in the passenger compartment side of hollow part 25 wall section 27.That is to say, hollow part 25 is wanted to the vehicle body outside curve.
To this, in embodiment 1, as shown in Figure 5, inner panel 29 is overlapped and is bonded in the passenger compartment side wall section 27 of hollow part 25, strengthen thus hollow part 25.Its result is that the rigidity of hollow part 25 improves.Therefore, can impact load F3 be passed to efficiently by hollow part 25 rear portion of vehicle body 10.And, due to the rigidity that has improved hollow part 25, so, need not to increase rugosity and the wall thickness of hollow part 25 integral body.Therefore, the increase of the weight of front pillar 18 can be suppressed, and miniaturization can be sought.Due to the miniaturization of front pillar 18, the visual field of therefore observing from the car chamber enlarges.
Embodiment 2
Below, based on Fig. 8～Figure 17, the vehicle body 10A of the automobile Am of embodiment 2 is described.In addition, the vehicle body 10A of embodiment 2 is the structure identical in fact with the vehicle body 10 of above-described embodiment 1.Below, 10A describes to vehicle body.
Fig. 8～Figure 11 represents from the front pillar 18A on the right side that car chamber 34 (with reference to Fig. 1) side is observed.The front pillar 18A of embodiment 2 is made of hollow part 131, outside plate 132, inner panel 133.This front pillar 18A is the structure identical in fact with the front pillar 18 of above-described embodiment 1.Hollow part 131 is structures identical in fact with the hollow part 25 of embodiment 1.Outside plate 132 is structures identical in fact with the outside plate 28 of embodiment 1.Inner panel 133 is structures identical in fact with the inner panel 29 of embodiment 1.
Front pillar 18A integral body forms to the outstanding bending in the outside of vehicle body 10A.Therefore, hollow part 131, outside plate 132, inner panel 133 integral body form to the outstanding bending in the outside of vehicle body 10A.Specifically, the global shape of front pillar 18A is bending outstanding to the top of vehicle body 10A and that give prominence to the outside of overall width direction.
Hollow part 131 is the elongate members as the core of front pillar 18A, and leading section 131c is bonded on the rearward end 13a of upper right vehicle frame 13.This hollow part 131 is made by for example steel, is integrally formed as the closed cross-section of essentially rectangular shape by hydroform method.That is to say, hollow part 131 is made of square tube.In embodiment 2, the essentially rectangular shape refers to the quadrangle of oblong or square etc.
Hollow part 131 by the car outside the wall 131a of section (the car lateral wall 131a of section) and the wall 131b of section (the passenger compartment side 131b of wall section) of car chamber 34 sides form the essentially rectangular shape.Outside plate 132 is positioned at the position that surrounds the car lateral wall 131a of section, and is bonded on the car lateral wall 131a of section.Inner panel 133 is positioned at the position that surrounds the passenger compartment side 131b of wall section, and is bonded on the 131b of wall section of passenger compartment side.
As shown in figure 12, on the outside face of outside plate 132, by bolt 127 and nut 128, front wing panel 129 is installed.Front wing panel 129 is exterior members of vehicle body.The inside face of outside plate 132 is strengthened by brace panel 134.
As Fig. 8～shown in Figure 10, extend downwards the front portion 135 of inner panel 133.The front portion 135 of extending so downwards is called plate bottom 135.The upper-end part of driving 135a of plate bottom 135 is bonded on the leading section 131c of hollow part 131.The front end position 135b of plate bottom 135 is bonded on the front end position 132a of outside plate 132.Position, the rear end 135c of plate bottom 135 is bonded on position, the rear end 132b of outside plate 132.The lower end part 135d of plate bottom 135 is bonded on bottom inner panel 29A (with reference to Fig. 9).
And plate bottom 135 has peristome 126 and the poor reinforced rib 138 of belt on substantial middle position 135e.The poor reinforced rib 138 of peristome 126 and belt is positioned at the next of hollow part 131.The poor reinforced rib 138 of belt be from inner panel 133 to the car chamber 34 parts that bloat.In detail, as Fig. 9～shown in Figure 12, the poor reinforced rib 138 of belt namely descends joggling part 141, front joggling part 142 and upper joggling part 143 to form general triangular by three joggling parts that are formed on plate bottom 135.By on plate bottom 135, the poor reinforced rib 138 of belt being set, can improve the rigidity of plate bottom 135.
The front end position 135b of lower joggling part 141 slave plate bottoms 135 to the vehicle body rear in the mode that moves closer to hollow part 131 and extend with the upwards gradient of tiltangleθ (with reference to Fig. 9).Joggling part 141 under forming on plate bottom 135 thus, is formed with the roughly crest line 141a of linearity on plate bottom 135.
Front joggling part 142 is on plate bottom 135, from extending to the front end position 141b of lower joggling part 141 near upper-end part of driving 135a downwards.Joggling part 142 before forming on plate bottom 135 thus, is formed with the roughly crest line 142a of linearity on plate bottom 135.
Upper joggling part 143 is positioned at upper than lower joggling part 141.Should upper joggling part 143 on plate bottom 135, the upper-end part of driving 142b of joggling part 142 extends near the rearward end 141b of lower joggling part 141 along hollow part 131 in the past.And as shown in figure 11, upper joggling part 143 is near the parts of the broken curve that forms that bloat along hollow part 131 to car chamber 34 sides by the upper-end part of driving 135a of plate bottom 135.
Peristome 126 is formed near front end position 135b and is formed on the leading section 131c below of hollow part 131, and connecting on the overall width direction in plate bottom 135.This peristome 126 is positioned at the position of the lower joggling part 141 of crossing over the poor reinforced rib 138 of belt.When 34 sides are observed inner panel 133 from the car chamber, peristome 126 be shaped as the essentially rectangular shape.The first half 145 of peristome 126 is positioned on the poor reinforced rib 138 of belt.The lower part 146 of peristome 126 is positioned on the position 139 (reinforced rib downside position 139) of the downside of the poor reinforced rib 138 of belt.
As Fig. 9 and shown in Figure 12, layer difference section 148 encirclements of the use that strengthened around the periphery 126a of peristome 126.135 outsides to the overall width direction, this layer difference section 148 slave plate bottom bloat.That is to say, layer difference section 148 be with respect to the poor reinforced rib 138 of the belt depth size U1 that only caves in, and with respect to the reinforced rib downside position 139 depth size U2 that only caves in.Have layer difference section 148 near the periphery 126a of peristome 126, thus, be formed with the crest line 148a of essentially rectangular shape on plate bottom 135.Like this, by layer difference section 148 is set, can improve that periphery 126a is, rigidity plate bottom 135 on every side on the periphery 126a of peristome 126.Its result is to improve the rigidity of front pillar 18A.
As Fig. 9 and shown in Figure 11, by 135 lower joggling part 141 being set in the plate bottom, the poor reinforced rib 138 of belt 139 only bloats size H1 to car chamber 34 sides from reinforced rib downside position.Therefore, can improve the rigidity of plate bottom 135.Its result is to improve the rigidity of front pillar 18A.
In addition, in embodiment 2, be provided with skylight (sun roof) (not shown) on roof shown in Figure 1 22.Though not shown, be provided with the draining slot part on the bearing support that is used for this skylight is bearing on roof 22.Be connected with an end of scupper hose 124 on this draining slot part.The rainwater that drops on the skylight flows to scupper hose 124 via the draining slot part, and is expelled to the assigned position of the outside of vehicle body 10A by this scupper hose 124.Scupper hose 124 is have flexible thread-like member a kind of, and this scupper hose 124 passes in hollow part 131, and, lead to car chamber 34 sides from being formed on peristome 126 (with reference to Fig. 9) on inner panel 133.That is to say, as Fig. 9 and shown in Figure 12, peristome 126 is for the opening of the scupper hose 124 that will derive from the leading section 131c taking-up of hollow part 131.
As described above, peristome 126 is positioned at the position of crossing over lower joggling part 141.And, as Fig. 9 and shown in Figure 12, be provided with layer difference section 148 near the periphery 126a of peristome 126.On the periphery 126a of peristome 126, upper part 126b only bloats size H2 (the poor H2 of opening floor) from lower position 126c to car chamber 34 sides.Therefore, by utilizing the poor H2 of opening layer, the scupper hose 124 that the leading section 131c from hollow part 131 can be drawn is easily drawn from peristome 126.
The order of drawing scupper hose 124 from front pillar 18A is as follows.At first, as shown in figure 13, will draw by the leading section 131c from hollow part 131 as shown in arrow A 1 of the scupper hose 124 in hollow part 131.Then, as shown in figure 14, with scupper hose 124 as shown in arrow A 2 along the poor reinforced rib of belt 138 guide openings sections 126, the poor H2 of recycling opening floor draws from peristome 126 it as shown in arrow A 3 to car chamber 34 sides.And, as shown in figure 15, scupper hose 124 is drawn to arrow A 4 directions, thereby the leading section 124a of scupper hose 124 is set on assigned position.So far, complete the operation that scupper hose 124 is drawn.
Below, there is the example of impact load to describe to effect on front pillar 18A.As shown in figure 16, car Ao has over there occured with respect to automobile Am in the situation of head-on crash, and effect has impact load F1 in the central authorities of front bumper beam 15.The part of this impact load F1 center beam of bumper 15 in the past is passed to front pillar 18A as impact load F3 as shown by arrows like that via upper right vehicle frame 13.
To this, in embodiment 2, as shown in figure 17, lower joggling part 141 is formed in the mode that moves closer to hollow part 131 to the vehicle body rear be inclined upwardly, and the poor reinforced rib 138 of belt is formed triangle.Its result is, can improve the rigidity of plate bottom 135.Therefore, can be passed to efficiently by the part that hollow part 131, plate bottom 135 and the poor reinforced rib 138 of belt will act on the impact load F3 on front pillar 18A the rear portion of vehicle body 10A.
Embodiment 3
Below, based on Figure 18～Figure 37, the vehicle body 10B of the automobile Am of embodiment 3 is described.In addition, the vehicle body 10B of embodiment 3 is the structure identical in fact with the vehicle body 10 of above-described embodiment 1.Below, 10B describes to vehicle body.
As shown in figure 18, the basic structure of the front portion of vehicle body 10B is the structure identical in fact with the vehicle body 10 of above-described embodiment 1.The basic structure of front pillar 17B, 18B of left and right be also with above-described embodiment 1 in the identical in fact structure of the front pillar 17,18 of left and right.That is to say, front pillar 17B, the 18B of left and right extends to the back upper place obliquely from the upper vehicle frame 13 of left and right, 13 rear end, and consists of the part of the door opening 223 that opens and closes by not shown side door.And, front glass 215 (Windshield 215) is installed between front pillar 17B, the 18B of left and right.Rearward extend the roof rail 21 of left and right, the 21 front pillar 17B from the left and right, the rear end of 18B.Roof 22 is by roof rail 21,21 supportings of left and right.
Front pillar 17B, the 18B of left and right are symmetrical parts.Below, only the front pillar 18B on right side described, omit the explanation of the front pillar 17B in left side.Below, with the front pillar 18B on right side referred to as front pillar 18B.
Be provided with side air curtain device 234 on vehicle Am.This side air curtain device 234 is that the information according to the state of vehicle Am makes side gas curtain 235 device that 34 sidewall launches along the car chamber.
Figure 19 shows the front pillar 18B on the right side when observing vehicle body 10B from right side side.Figure 20 shows the upper state that outside plate 217 is pulled down from front pillar 18B shown in Figure 19.Figure 21 shows from the front pillar 18B on the right side of car chamber 34 sides observations.Figure 22 shows the 22-22 line cross section of Figure 18, that is to say the cross section at position of the supporting front glass 215 of front pillar 18B.
As Figure 19～shown in Figure 22, front pillar 18B is made of hollow part 253, outside plate 217, inner panel 218.As shown in figure 18, the front bottom of inner panel 218 is bonded on the bottom inner panel 232 that stands up from the bottom of vehicle body 10B.This bottom inner panel 232 is configured for linking the part of so-called front pillar bottom of the front bottom of the bottom of vehicle body 10B and front pillar 18B.
Front pillar 18B integral body forms to the outstanding bending in the outside of vehicle body 10B.Therefore, hollow part 253, outside plate 217, inner panel 218 integral body also form to the outstanding bending in the outside of vehicle body 10B.Specifically, the global shape of front pillar 18B is bending outstanding to the top of vehicle body 10B and that give prominence to the outside of overall width direction.
Hollow part 253 is the elongate members that become the core of front pillar 18B, and front end is bonded on the rearward end 13a of upper right vehicle frame 13.This hollow part 253 is made by for example steel, is integrally formed as the closed cross-section of essentially rectangular shape by hydroform method.That is to say, hollow part 253 is made of square tube.In embodiment 3, essentially rectangular refers to the quadrangle of oblong or square etc.
As Figure 21 and shown in Figure 22, hollow part 253 is by four edges, that is to say by four wall sections 261～264 to form the rectangular shape cross section.Four wall sections 261～264th, be positioned at downside lower inner wall section 261, be positioned at the overall width direction outside lateral wall section 262, be positioned at overall width direction inboard madial wall section 263, be positioned at the outer upper wall portions 264 of upside.
As shown in figure 22, outside plate 217 is bending formed products of for example steel plate, is made of outer main body 281, the first outward flange 282, the second outward flange 275.Outer main body 281 forms roughly U word shape cross section, and outwards side wall portion 262 is open, has first and second outward flange 282,275 at the two ends of this opening.The first outward flange 282 (the first flange 282) is positioned near the angle of lower inner wall section 261 and 262 one-tenth, lateral wall section.The front end of this first outward flange 282 leaves from the angle of 262 one-tenth, lower inner wall section 261 and lateral wall section.
The second outward flange 275 (the second flange 275) extends near the angle of outer upper wall portions 264 and 263 one-tenth, madial wall section along outer upper wall portions 264.Upper surface at the second outward flange 275 is equipped with front glass 215 via not shown sealing element.That is to say, the second outward flange 275 doubles as and is glass installation portion (window frame).Below, the second outward flange 275 suitably is called " glass installation portion 275 " or " glass mounting flange section 275 ".
As shown in figure 22, inner panel 218 is the bending formed products that surround for example steel plate that the mode of the bottom of hollow part 253 forms.This inner panel 218 is made of interior main body 266, the first inward flange 268, the second inward flange 267.
As Figure 20～shown in Figure 22, interior main body 266 is made of the flat board that overlaps and be bonded in lower inner wall section 261.The end in the outside of the overall width direction of the first inward flange 268 from interior main body 266 extends in the mode along the lower surface of the first outward flange 282 of outside plate 217.This first inward flange 268 overlaps and is bonded on the first outward flange 282 of outside plate 217 from the below.Like this, realized that by joint integrated each flange 268,282 can bring into play the effect of the strengthening part of hollow part 253.Its result is that the rigidity of front pillar 18B improves.And integrated each flange 268,282 consists of the edge 245 of door opening 223.This edge 245 doubles as being used for installing the sealing member installation portion of sealing member 53 (with reference to Figure 22).Below, edge 245 is called " sealing member installation portion 245 ".
The second outward flange 275 of outside plate 217 overlaps on the outer upper wall portions 264 of hollow part 253, and engages by indirect welding.The second inward flange 267 of inner panel 218 overlaps in the madial wall section 263 of hollow part 253, and engages by metal inert-gas welding.Therefore, the second outward flange 275 and the second inward flange 267 engage respectively, need not to make it overlap and engage.Can with it is overlapped correspondingly make outside plate 217 and inner panel 218 miniaturizations.Therefore, can seek the lightweight of front pillar 18B.
Here, contrasting the second outward flange 275 shown in Figure 22 and the second outward flange 275 shown in Figure 23 describes.The second outward flange 275 shown in Figure 23 is extending to car chamber 34 sides of hollow part 253 by the mode that direct welding engages the flange part 287 of roof 22.Therefore, engage easily.
On the other hand, the second outward flange 275 shown in Figure 22 doubles as being used for installing " the glass installation portion 275 " of front glass 215.That is to say, glass installation portion 275 only is used for front glass 215 is installed, so need not to car chamber 34 sides extensions.Due to glass installation portion 275 not to the car chamber 34 sides extend, therefore, correspondingly can enlarge and see through the visual range (visual field) that 215 pairs of front glasses vehicle body the place ahead is observed from the car chamber.
Like this, although adopt hollow part 253 as the core of front pillar 18B, can guarantee from the car chamber visual range that 34 pairs of vehicle body the place aheads are observed, and can be easily and reliably the flange part 287 of roof 22 is bonded on front pillar 18B.
As Figure 24～shown in Figure 27, the second inward flange 267 with from the medial extremity of the overall width direction of interior main body 266 along madial wall section 263 mode extend upward.This second inward flange 267 is with respect to madial wall section 263, until overlap in the scope of the height central authorities of madial wall section 263.The second inward flange 267 has a plurality of junction surfaces 293 in the upper end.As shown in figure 26, these junction surfaces 293 with the spacing P1 assortment of regulation, and are bonded in madial wall section 263 by metal inert-gas welding on the length direction of hollow part 253.The length of the first welded metal section 292 of the part of welded joint 293 is Lw.In addition, the value of spacing P1 is suitably different according to engage position.
The concrete structure that interior main body 266 is bonded in lower inner wall section 261 is as follows.As Figure 24～shown in Figure 27, interior main body 266 has the through hole 294 of a plurality of welding use.As shown in figure 24, these through holes 294 with the spacing P2 assortment of regulation, and are bonded in lower inner wall section 261 by metal inert-gas welding on the length direction of hollow part 253.That is to say, interior main body 266 is welded in lower inner wall section 261 by a plurality of the second welded metal 292a of section.In addition, the value of spacing P2 is suitably different according to engage position.
The first welded metal section 292 and the second welded metal 292a of section are elongated on the length direction of hollow part 253.And the first welded metal section 292 and the second welded metal 292a of section assortment on the length direction of hollow part 253 become staggered.Therefore, can further improve inner panel 218 with respect to the bond strength of hollow part 253.
In order like this inner panel 218 to be welded on hollow part 253, the second inward flange 267 has a plurality of junction surfaces 293 in the upper end.Therefore, and 218 situations about being welded on hollow part 253 of inner panel are compared, can be improved the bond strength of welding.Therefore, can transmit reliably the load that is applied on front pillar 18B by inner panel 218.
In addition, as shown in figure 27, for inner panel 218 is welded on hollow part 253, interior main body 266 has the through hole 294 of a plurality of welding use.Therefore, and 218 situations about being welded on hollow part 253 of inner panel are compared, can be improved the bond strength of welding.Therefore, can transmit reliably the load that is applied on front pillar 18B by inner panel 218.
Figure 23 shows the 23-23 line cross section of Figure 18, that is to say the cross section that roof 22 is bonded on the position on roof rail 21.The cross-sectional configuration of roof rail 21 is structures identical in fact with the cross-sectional configuration of front pillar 18B, therefore, and for the identical identical Reference numeral of component parts mark.That is to say, roof rail 21 is made of hollow part 253, outside plate 217, inner panel 218.
As Figure 18, Figure 21 and shown in Figure 23, on top in beam 21, outer main body 281 forms roughly U word shape cross section, and outwards side wall portion 262 and outer upper wall portions 264 are open, have first and second outward flange 282,275 at the two ends of this opening.
The formation of the first outward flange 282 is identical with above-mentioned formation shown in Figure 22.Two flanges 268,282 are bonded with each other by spot welding.That is to say, sandwich by will overlap two flanges 268,282 of state of pair of electrodes 401,402.Then, supply with electric current between pair of electrodes 401,402, thus, engage each flange 268,282 by direct welding.
According to above explanation as can be known, each flange 268,282 of coincidence extends in the direction of leaving from hollow part 253, and exposes to the outside.Therefore, owing to sandwiching each flange 268,282 by pair of electrodes 401,402, therefore, can carry out direct welding and engage.Therefore, although the core of roof rail 21 is adopted hollow part 253, the equipment that spot welding is used is and in the past roughly the same specification, miniaturization that can the support level welder.In addition, owing to implementing spot welding by two of the direct clampings of the electrode of general spot welding and pressurization, its result is, although employing hollow part 253, the welding conditions of spot welding and in the past roughly the same, spot welding is easy.
The second outward flange 275 is near the angle of madial wall section 263 and 264 one-tenth of outer upper wall portions, 34 side approximate horizontal ground extend to the car chamber.Like this, the second outward flange 275 (roof engage evagination edge 275) stretches out to car chamber 34 sides of hollow part 53, and, the flange part 287 of roof 22 is installed on upper surface.
Clamp outside roof between upper wall portions 264 and the second outward flange 275 and engaged prolongation flange part 255.This roof engages and extends flange part 255 and be made of with the prolongation flange 286 that is connected with this base portion 284 base portion 284 in L word shape cross section roughly.The base portion 284 of L word shape is bonded on two sides of lateral wall section 262 and outer upper wall portions 264.In addition, the method that the base portion 284 of L word shape is bonded on outer upper wall portions 264 is arbitrarily, as long as suitably implement.
Extend flange 286 and be from base portion 284 along outer upper wall portions 264 flat board of the level of extending to car chamber 34 sides.Extending on flange body 286, with the overlapping flange part 287 that the second outward flange 275 and roof 22 are arranged of this order.These three flanges 286,275,287 are bonded with each other by spot welding.
That is to say, roof 22 and outside plate 217 engage as described as follows.Three flanges 286,275,287 of the state of overlapping are sandwiched by pair of electrodes 403,404.Then, to pair of electrodes 403,404 supply electric currents, thus, engage each flange 286,275,287 by direct welding.
According to above explanation as can be known, each flange 286,275,287 of coincidence extends in the direction of leaving from hollow part 253, and exposes to the outside.Therefore, owing to can sandwich each flange 286,275,287 by pair of electrodes 403,404, so, can carry out direct welding and engage.Therefore, although the core of roof rail 21 is adopted hollow part 253, the equipment that spot welding is used is and in the past roughly the same specification, miniaturization that can the support level welder.In addition, owing to implementing spot welding by three of the direct clampings of the electrode of general spot welding and pressurization, therefore, its result is, although employing hollow part 253, the welding conditions of spot welding and in the past roughly the same, spot welding is easy.In addition, the shape of base portion 284 is arbitrarily, and the method that base portion 284 is welded on hollow part 253 is also arbitrarily.
As Figure 21 and Figure 28～shown in Figure 32, front pillar 18B has for other the support 251 of parts of supporting.This support 251 for example can be bearing in side gas curtain main body 235 shown in Figure 180 on front pillar 18B.In this situation, can the anterior 235a of side gas curtain main body 235 and the assigned position of fore-and-aft direction be arranged on front pillar 18B by support 251.
As Figure 28～shown in Figure 32, in front pillar 18B, has the position of air bag support 251, the clearance C r that has regulation between lower inner wall section 261 and interior main body 266.Air bag support 251 is made of dull and stereotyped nut 311.This flat board nut 311 is the integrally formed product that are made of flat part 317 (flange part 317) and nut portions 318, due to by welded and installed on other parts, therefore also be called welded nut.
Flat part 317 is overlapping in clearance C r and is bonded on flat board on interior main body 266.For example, as shown in figure 30, flat part 317 is bonded on interior main body 266 by nugget (nugget) 325.Nugget refer to flat part 317 is overlapping be created in when being welded on interior main body 266 weld part, dissolve the part of solidifying.Nut portions 318 is the cylinders that extend towards lower inner wall section 261 sides from the plate of flat part 317, has to connect inner negative thread.The D outer diameter of this nut portions 318 is less than width W p and the length L p of flat part 317, and, less than the minimum width of general hexagonal nut.Interior main body 266 is concentric and have a through hole 323 with the line of centers 324 of nut portions 318.This through hole 323 is larger than the internal thread diameter of nut portions 318.
Lower inner wall section 261 has nut clearance hole section 321 concentric with the line of centers 324 of nut portions 318 and that connect.This nut clearance hole section 321 tilts with respect to the line of centers 324 of nut portions 318, and offers with respect to nut portions 318 with having gap delta.Particularly, nut clearance hole section 321 has angle [alpha] with respect to the line of centers 324 of nut portions 318, and towards the inboard of vehicle 12.That is to say the approach axis of nut clearance hole section 321 when the inner panel 218 that dull and stereotyped nut 311 will be installed is assembled to hollow part 253.
In dull and stereotyped nut 311 on being installed on front pillar 18B, can screw in not shown bolt to nut portions 318.By dull and stereotyped nut 311 and bolt, side gas curtain main body 235 (Figure 18) can be arranged on front pillar 18B.
Like this, in embodiment 3, can replace the general nuts such as hexagonal nut, and adopt dull and stereotyped nut 311.And, be formed with the nut clearance hole section 321 that makes that nut portions 318 passes through on hollow part 253.Therefore, compare with the situation that adopts general nut, can reduce to be opened in the nut clearance hole section 321 on hollow part 253.
And nut clearance hole section 321 offers obliquely with respect to the line of centers 324 of nut portions 318.Therefore, although being used for when the inner panel 218 that will dull and stereotyped nut 311 be installed being set installing to hollow part 253 prevents the gap delta of interfering, also can make the size of nut clearance hole section 321 less.
As Figure 33～shown in Figure 35, it is the glass installation portion that is used for installing front glass 215 (with reference to Figure 18) that the second outward flange 275 of front pillar 18B doubles as.
As Figure 20, Figure 21 and shown in Figure 32, the rearward end 224 of front pillar 18B and leading section 227 are compared with pars intermedia 228 needs to improve rigidity.Therefore, the rearward end 224 of front pillar 18B is strengthened by rear portion strengthening part 243.Similarly, the leading section 227 of front pillar 18B is strengthened by anterior strengthening part 244.
As Figure 20, Figure 32 and shown in Figure 33, rear portion strengthening part 243 is made of clamping junction surface 352 inside and outside reinforcement hollow junction surface 351 and reinforcement.Strengthen hollow junction surface 351 and surrounded by hollow part 253, outside plate 217, inner panel 218, in the spatial portion 331 of sealing, be bonded in lateral wall section 262.Strengthen between the first inward flange 268 that inside and outside clamping junction surface 352 is folded in the first outward flange 282 of outside plate 217 and inner panel 218.These three parts 282,268,351 overlap, and are bonded with each other by spot welding.
As Figure 20, Figure 32 and shown in Figure 33, anterior strengthening part 244 is formations identical with rear portion strengthening part 243.That is to say, anterior strengthening part 244 is made of clamping junction surface 358 inside and outside reinforcement hollow junction surface 357 and reinforcement.Strengthening hollow junction surface 357 is bonded in spatial portion 331 in lateral wall section 262.Strengthen between the first inward flange 268 that inside and outside clamping junction surface 358 is folded in the first outward flange 282 of outside plate 217 and inner panel 218.These three parts 282,268,358 overlap, and are bonded with each other by spot welding.As Figure 20 and shown in Figure 21, anterior strengthening part 244 has junction surface 361 at leading section.This junction surface 361 is bonded on the top of bottom inner panel 232 and not shown instrument carrier panel.
Like this, hollow part 253 passes through rear portion strengthening part 243 or anterior strengthening part 244 and inner panel 218 from left and right sides clamping, thereby is strengthened.Therefore, in the scope of whole front pillar 18B, as shown in figure 33, can reduce wall thickness t1, the wall thickness t2 of outside plate 217, the wall thickness t3 of inner panel 218 of hollow part 253.And, can reduce height h1 and the width h2 of hollow part 253.Can guarantee the rigidity of front pillar 18B and make front pillar 18B superfine.
With respect to the thickness of slab t1 of hollow part 253, the thickness of slab t4 of the thickness of slab t2 of outside plate 217, the thickness of slab t3 of inner panel 218, rear portion strengthening part 243 and the thickness of slab t4 of anterior strengthening part 244 are large.That is to say, become the relation of t1＜t2＜t3＜t4.Therefore, can further improve the rigidity of front pillar 18B.
As Figure 21, Figure 32 and shown in Figure 34, in the door opening 223 of front pillar 18B, sealing member installation portion 245 has a plurality of gaps stream 347.In front pillar 18B, a plurality of gaps stream 347 from rear portion strengthening part 243 to Lh (range L h) anterior strengthening part 244, is positioned on the position of spacing Ph.Particularly, in the first inward flange 268 of inner panel 218, flange surface 268a (with reference to Figure 34) forms male and fomale(M﹠F) in range L h.The degree of depth of the depression of flange surface 268a is E.On jog in flange surface 268a, and the first outward flange 282 of outside plate 217 between be provided with a plurality of spaces.These spaces become gap stream 347.The degree of depth of gap stream 347 is equivalent to the degree of depth E of the depression of flange surface 268a.
Like this, a plurality of gap stream 347 is by sealing member installation portion 245 is carried out the gap that plastic working forms concavity.Therefore, in range L h, a plurality of gaps stream 347 (gap 347) can be set.In addition, engage each other at each gap stream 347 flange 268,282 is arranged.The part of this joint is called junction surface 346 between stream.Owing to having junction surface 346 between this stream, therefore, although sealing member installation portion 245 arranges a plurality of gaps stream 347, still can guarantee fully the rigidity of front pillar 18B.
As shown in figure 34, a plurality of gaps stream 347 is the spatial portion 331 of sealing and the stream between the outside, utilizes when implementing the surface treatment of front pillar 18B.In detail, when implementing the surface treatment of front pillar 18B, front pillar 18B is immersed in the electrodeposit liquid that remains in liquid bath.At this moment, the electrodeposit liquid among liquid bath flows into to spatial portion 331 as shown in arrow b1, b2 by gap stream 347.The influx of electrodeposit liquid is enough amounts that is coated with the wall of front pillar 18B in spatial portion 331.Therefore, in spatial portion 331, the wall of front pillar 18B can fully be coated with by the electrodeposit liquid that flows into.
As Figure 33 and Figure 35～shown in Figure 37, at the front end 372 (terminal part 372) of hollow part 253, outer upper wall portions 264 is burst by inside lower wall portions 261 (Figure 22 with reference to) side pressures.This conquassation part 173 is called the first recess 373.This first recess 373 is positioned at the following position of upper surface of outer upper wall portions 264.That is to say, the first recess 373 only leaves downwards with the amount of the conquassation downwards upper surface from outer upper wall portions 264.
As Figure 35～shown in Figure 37, turned back to car chamber 34 sides in the upper part of the rear end of anterior strengthening part 244.This part of turning back 355 is called upper flange 355.This upper flange 355 is smooth flat board.The upper surface of upper flange 355 is positioned at par (the same face) with respect to the upper surface of the outer upper wall portions 264 of hollow part 253.
The rear end part 356 of upper flange 355 (junction 356) is positioned at the top of the first recess 373.And this rear end part 356 descends in the mode that overlaps above the first recess 373.The part 356 of this decline is called the second recess 356.The second recess 356 descends and leaves from the upper surface of outer upper wall portions 264.
As mentioned above, the thickness of slab t4 of anterior strengthening part 244 shown in Figure 33 is larger than the thickness t 1 of hollow part 253, is the thickness of slab that is difficult to adopt spot welding.Because the thickness of slab t4 of anterior strengthening part 244 is large, so, the second recess 374 is overlapped on the first recess 373, thereby can engage fully by " fillet welding welding ".That is to say, the thickness t 1 of hollow part 253 and the thickness t 4 of strengthening part 244 are the sizes that are fit to carry out based on the joint of metal inert-gas welding.The weld part 376 of fillet welding welding has sufficient bond strength.And, because the thickness of slab t4 of anterior strengthening part 244 is large, so, can fully strengthen the terminal part 372 of hollow part 253.
On the other hand, as mentioned above, the second outward flange 275 of outside plate 217 is parts of the smooth flat board of the upper flange 355 that extends to anterior strengthening part 244 of the upper surface along outer upper wall portions 264.Therefore, glass installation portion 275 (glass mounting flange section 275) 244 extends from hollow part 253 to the bottom strengthening part, overlaps and engages.Glass installation portion 275 compare with first and second recess 373,356 be positioned at upper.Therefore, glass installation portion 275 can not interfered first and second recess 373,356.In addition, glass installation portion 275 can not interfered weld part 376 yet.Therefore, can in entire scope, glass installation portion 275 be formed smooth structure.For smooth glass installation portion 275, can front glass 215 (with reference to Figure 18) easily and reliably be installed by general installation method such as bonding grade.And, can fully guarantee installing condition.
In addition, in the present invention, hollow part 25 so long as closed cross-section gets final product, except the essentially rectangular shape, can also be other polygonal closed cross-section or the circular section such as pentagon.
In addition, in embodiment 2, as the thread-like member of the flexibility of drawing from the peristome 126 of front pillar 18A, example scupper hose 124, but be not limited to this, other the flexible thread-like member such as wire harness (Wire Harness) can also be drawn from peristome 126.
In addition, in embodiment 2, be formed on peristome 126 periphery 126a around layer difference section 148, except 135 outsides to the overall width direction, slave plate bottom bloat, can also slave plate bottom 135 bloat to car chamber 34 sides.
Industrial applicibility
The present invention is applicable to have inner panel 29,133,218 front pillar 18, the automobile of 18A, 18B is set on hollow part 25,131,253.
The explanation of Reference numeral
10, 10A, 10B... vehicle body, 15, 215... front glass, 18, 18A, 18B... front pillar, 22... roof, 25, 131, 253... hollow part, 26, 131a, 262, 264... the wall section in the car outside, 27, 131b, 261, 263... the wall section of passenger compartment side, 28, 132, 217... outside plate, 29, 133, 218... inner panel, 34... car chamber, 52, 245... sealing member installation portion, 347... gap stream, 61... restriction recess, 243... rear portion strengthening part, 244... anterior strengthening part, 275... glass installation portion (roof joint evagination edge), 331... spatial portion, Am... vehicle.

Claims (3)

1. the front pillar of an automobile has: outside plate (217), and it is connected with the roof (22) of vehicle body (10B), and supporting front glass (215), and in the face of the outside of described vehicle body (10B); Inner panel (218) in the face of car chamber (34); Be located between described outside plate (217) and described inner panel (218) and formed the hollow part (253) of polygonal cross-section by a plurality of faces, it is characterized in that also having:
Roof engages evagination edge (275), form the end of described outside plate (217), cross described hollow part (253) outstanding to the roof hood flange part (287) of described roof (22), and be bonded on described roof hood flange part (287) by spot-welded on;
Roof engages and extends flange part (255), its by welded joint at least two faces of described hollow part (253), and it is outstanding to described roof hood flange part (287) to cross described hollow part (253), and extend to engage the overlapping mode in evagination edge (275) with described roof, be bonded on described roof hood flange part (287) by spot-welded on together with described roof engages evagination edge (275).
2. the front pillar of automobile as claimed in claim 1 is characterized in that:
First wall section (261), the second wall section (262) that be positioned at the overall width direction outside of described hollow part (253) by being positioned at the bottom, the wall section (264) that is positioned at the 3rd wall section (263) of overall width direction inboard and is positioned at the top form essentially rectangular, and described roof engages and extends flange part (255) and be engaged with in the described second wall section (262) and wall section (264) of described hollow part (253).
3. the front pillar of automobile as claimed in claim 1 or 2 is characterized in that:
Described inner panel (218) has: the first flange (268), and its flange (282) with the end of the opposition side that forms described outside plate (217) is overlapping, and is bonded on this flange (282) by spot-welded on; The second flange (267), it engages with described roof, and to extend flange part (255) adjacent, and by welded joint on described hollow part (253).
CN201310061945.XA 2008-07-04 2009-06-29 The front pillar of automobile Active CN103144676B (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP2008176321A JP4920012B2 (en) 2008-07-04 2008-07-04 Car front pillar
JP2008176245A JP4987807B2 (en) 2008-07-04 2008-07-04 Vehicle front pillar
JP2008-176245 2008-07-04
JP2008176282A JP5001229B2 (en) 2008-07-04 2008-07-04 Vehicle front pillar
JP2008-176278 2008-07-04
JP2008176237A JP4987806B2 (en) 2008-07-04 2008-07-04 Vehicle front pillar
JP2008-176261 2008-07-04
JP2008-176282 2008-07-04
JP2008176278A JP4987808B2 (en) 2008-07-04 2008-07-04 Vehicle front pillar
JP2008-176321 2008-07-04
JP2008176261A JP4980308B2 (en) 2008-07-04 2008-07-04 Car front pillar
JP2008-176237 2008-07-04
CN2009801139875A CN102015420B (en) 2008-07-04 2009-06-29 Front pillar for automobile

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CN2009801139875A Expired - Fee Related CN102015420B (en) 2008-07-04 2009-06-29 Front pillar for automobile
CN201310061945.XA Active CN103144676B (en) 2008-07-04 2009-06-29 The front pillar of automobile
CN201310061979.9A Expired - Fee Related CN103144677B (en) 2008-07-04 2009-06-29 The front pillar of automobile
CN201310062059.9A Expired - Fee Related CN103144679B (en) 2008-07-04 2009-06-29 The front pillar of automobile

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CN103144678B (en) 2015-11-25
CN103144677A (en) 2013-06-12
EP2305539A1 (en) 2011-04-06
EP2599690B1 (en) 2014-01-15
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EP2610145B1 (en) 2014-01-08
US20130234470A1 (en) 2013-09-12
CN103144679A (en) 2013-06-12
US8444211B2 (en) 2013-05-21
US20130234471A1 (en) 2013-09-12
US20110101735A1 (en) 2011-05-05
CN103144677B (en) 2016-03-09
WO2010001847A1 (en) 2010-01-07
CN103144679B (en) 2016-03-09
US8622465B2 (en) 2014-01-07
EP2610145A1 (en) 2013-07-03
US8690232B2 (en) 2014-04-08
CN103144676B (en) 2017-03-01
US8668251B2 (en) 2014-03-11
US20130234469A1 (en) 2013-09-12
EP2599690A1 (en) 2013-06-05
US20130241238A1 (en) 2013-09-19
US8727427B2 (en) 2014-05-20
EP2610144A1 (en) 2013-07-03
CN102015420B (en) 2013-03-27
CN103144678A (en) 2013-06-12
EP2305539A4 (en) 2012-05-30
EP2610146B1 (en) 2014-05-14
EP2610146A1 (en) 2013-07-03
CN102015420A (en) 2011-04-13
EP2305539B1 (en) 2013-05-15

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